Katerwisebriamosem
Katerwisebriamosem
21-11-2016
Mathematics
contestada
2cos^2x+3cosx-2=0 ...?
Respuesta :
syed514
syed514
21-11-2016
Its like a polynomial.
cosx=x
so it'll be like
2x^2+3x-2=0
(2x−1)(x+2)
which makes your life easy because you do not have to solve cos(x)=−2 because it cannot be, so only solve cos(x)=1/2
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
help me asap how to understand Measuring Angles
Once the body has begun shivering, what happens to make it stop shivering?
Which expression is not equal is NOT equal to the volume of the prismA) 5+4+2B) 5×(4×2)C) (5×4)×2D) 5×4+5×4
How is sunlight used in photo synthesis
Drag the similar figure into the table.
Which of the following was a result of the punishment of Germany for its role in World War I in the Treaty Of Versailles? A) The Munich Conference B) The Great
Which adverb best completes the conversation? Mathilde: Es-tu allé à la banque? Laurent: Oui et j’ai _______________ ouvert un compte. A.facilement B.prudemment
What is the dining experience like in Ningbo?
what product of photosynthesis is stored in chemical bonds
a verb meaning "to boost or push"
